package edu.sctu.zhoudie.mouth201505.day20150520.texttwo;

/**
 * Created by user08 on 2015/5/20.
 */
public class Test {
    public static void main(String[] args) {
        int age1=24;
        int age2=18;
        int age3=36;
        int age4=27;
        int sum = age1 + age2 + age3+age4;
        double avg =sum/4;
        int minus = age1 - age2;
        int newAge = --age1;



        System.out.println("年龄总和："+sum);
        System.out.println("平均年龄："+avg);
        System.out.println("年龄差值："+minus);
        System.out.println("自减后的年龄："+newAge);

    }
}
